orange peel

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TOM K
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Joined: Sun Sep 11, 2011 3:49 am

orange peel

Post by TOM K » Mon Oct 15, 2012 10:40 am

what are some different things that can cause orange peel when spraying ?

efanton
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Location: Co. Cork, Ireland

Re: orange peel

Post by efanton » Mon Oct 15, 2012 11:34 am

I'm sure I dont have all the causes listed but these are the ones that I have experienced

Generally this happens when the paint has started to dry before it has evened out or adhered to the surface to be painted

Spray gun too far from the surface to be painted
Air pressure too high
paint thinned by wrong thinner
not enough thinner
air temperature in painting areas too cold
"it's never too late to have a happy childhood"

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Bill CNC
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Re: orange peel

Post by Bill CNC » Mon Oct 15, 2012 12:30 pm

Tom,

99% of the time, the paint is to thick which makes one turn up the air pressure.

If your pushing the paint, the pressure is to high. If the paint is thicker than (whole) milk it's more often than not, ... to thick.

efanton,

If the gun is to far away, it will leave the paint dry and powdery/grainy and looking like overspray.
Bill

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efanton
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Re: orange peel

Post by efanton » Mon Oct 15, 2012 1:01 pm

If the gun is to far away, it will leave the paint dry and powdery/grainy and looking like overspray.
Agreed, but on a second coat some would say the result looks like orange peel.
"it's never too late to have a happy childhood"

TOM K
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Re: orange peel

Post by TOM K » Mon Oct 15, 2012 1:34 pm

Im shooting interlux epoxy primekote and it is awful thick. Hit it 220 sandpaper and was going to 2nd coat it or should i sand out all the orange peel 1st ?

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Bill CNC
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Re: orange peel

Post by Bill CNC » Mon Oct 15, 2012 1:54 pm

efanton wrote:
If the gun is to far away, it will leave the paint dry and powdery/grainy and looking like overspray.
Agreed, but on a second coat some would say the result looks like orange peel.
I'd say more like a painted stucco house.
Bill

TNT Build, ... On Going, ... http://tinyurl.com/abmae64

The Freebie Zip, ... On Going, ...http://tinyurl.com/at3udss

Super Spartan Build "Miss Tripindicular", ... Completed, ...http://tinyurl.com/b488wsz

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Bill CNC
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Re: orange peel

Post by Bill CNC » Mon Oct 15, 2012 1:55 pm

TOM K wrote:Im shooting interlux epoxy primekote and it is awful thick. Hit it 220 sandpaper and was going to 2nd coat it or should i sand out all the orange peel 1st ?
Tom,

Sand it first. It never gets better, only worse. You'll just be adding gasoline to the fire.

EDIT:
Forgot to mention this, ... Read what the can says as far as sand paper grits and reducing the paint and what to reduce it with.
Bill

TNT Build, ... On Going, ... http://tinyurl.com/abmae64

The Freebie Zip, ... On Going, ...http://tinyurl.com/at3udss

Super Spartan Build "Miss Tripindicular", ... Completed, ...http://tinyurl.com/b488wsz

TOM K
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Re: orange peel

Post by TOM K » Mon Oct 15, 2012 3:47 pm

That is the answer I'm looking for. it never gets onl only worse... So I will go ahead and sand it now. And yes that' remark Soun sounds like.. Is that normal?

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Bill CNC
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Re: orange peel

Post by Bill CNC » Mon Oct 15, 2012 4:24 pm

Tom,

Your last post came out garbled from editing, I do it all the time.

What is the last question about :?: :?: :?: being normal :?: :?: :?:
Bill

TNT Build, ... On Going, ... http://tinyurl.com/abmae64

The Freebie Zip, ... On Going, ...http://tinyurl.com/at3udss

Super Spartan Build "Miss Tripindicular", ... Completed, ...http://tinyurl.com/b488wsz

red
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Location: Milner Ga.

Re: orange peel

Post by red » Mon Oct 15, 2012 4:46 pm

what spray gun are you useing hvlp or conventional or lvlp? if its a hvlp it probably has a 1.4 tip which is pretty small for a high build primer so you will need to slow down to lay down more paint and also make sure you have a lot of air pressure atleast 25 to 30 psi to bust up the paint the better you adamize the paint the smoother it will be if it is a conventional gun youll probably just need to up the air pressure

TOM K
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Re: orange peel

Post by TOM K » Mon Oct 15, 2012 7:02 pm

HVLp with a 1.8 tip. The remark about stucco me laught because that is about what it came out of my gun like. I reduced it down 20 percen,the directions said to reduce it 20 to 25%. just hit it real hard with 220 grit paper on a orbital sander. . Not sure if I want to hit it again or go ahead and spray ? I still can see a slight orange peel. sorry about the jumbo text, was doing it on my smart phone.

TOM K
Posts: 45
Joined: Sun Sep 11, 2011 3:49 am

Re: orange peel

Post by TOM K » Thu Oct 18, 2012 4:14 am

Thanks for all the help and input on the orange peel problem. 2nd coat came out reel nice. A little more reducer and i think the big thing was holding my gun closer. Now I'm ready for my finish coats. I'll post some pic's when I get er done.

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